Why are you giving anything? What’s the humidity and temperature? That looks awfully dry.These spots just appeared today on 2 of my seedlings. The only thing I can think of that I've done differently recently is that I added Calimagic, at the recommend concentration, to yesterday evening's watering. Is this something that I should be concerned about?
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Thanks. Soil is 50/50 FFHF and FFOF, with perlite and Mykos..It’s young yet
Cover with soda bottle half. Until 6 tall. Then re evaluate
Soil?
warm and humid. Think lush